## R Introduction: Part I

BEGINNER

#R

Author: Oleksandr Lomako

Course description

R is one of the most popular programming languages among data analysts and data scientists. R has a wide community that will always help you with any problem. Also, R has tons of different packages designed to solve various problems. The language can be easily applied to statistics and data analytics problems. In the first part, you will be introduced to the very basics of R and will deal with single 1-D values of different types.

Complete all chapters to get certificate

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Basic Syntax and Operations

In the first section, you will consider the very basics of R - outputting and performing basic operations. You will finish the section with the variables theory.

Hello, R!

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Comments

Integer Division and Remainders

Exponentiation

cat() Function

Variables

Challenge

Assignment Ways

Vectors

In the second section, you will learn the vector class in R, which represents single values too. You will consider the main data types for single values and how to work with multiple values of a kind at once.

What is a Vector?

Numbers

Complex Numbers

Converting

Logical Type

Vectors

Namings

Indexing

Modifying

Deleting

Operations with Vectors

Factors

Factors (or categorical variables) are widely used in real life. These are blood types, currencies, nationalities, brands, etc. Unlike numerical variables, factors are limited to a finite number of values.

What is a Factor?

Indexing

Levels

Summary

Intervals

Challenge